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          <td class="headerItem" width="20%">Current&nbsp;view:</td>
          <td class="headerValue" width="80%" colspan=4><a href="../../index.html">directory</a> - <a href="index.html">components/impl</a> - ptop_swa.cc</td>
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          <td class="headerItem" width="20%">Test:</td>
          <td class="headerValue" width="80%" colspan=4>iris.info</td>
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          <td class="headerItem" width="20%">Date:</td>
          <td class="headerValue" width="20%">2010-05-24</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Instrumented&nbsp;lines:</td>
          <td class="headerValue" width="20%">72</td>
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          <td class="headerItem" width="20%">Code&nbsp;covered:</td>
          <td class="headerValue" width="20%">95.8 %</td>
          <td width="20%"></td>
          <td class="headerItem" width="20%">Executed&nbsp;lines:</td>
          <td class="headerValue" width="20%">69</td>
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      <td><pre class="source">
<span class="lineNum">       1 </span>                : /*
<span class="lineNum">       2 </span>                :  * =====================================================================================
<span class="lineNum">       3 </span>                :  *
<span class="lineNum">       4 </span>                :  *       Filename:  myFullyVirtualArbiter.cc
<span class="lineNum">       5 </span>                :  *
<span class="lineNum">       6 </span>                :  *    Description:  
<span class="lineNum">       7 </span>                :  *
<span class="lineNum">       8 </span>                :  *        Version:  1.0
<span class="lineNum">       9 </span>                :  *        Created:  04/27/2010 12:58:11 AM
<span class="lineNum">      10 </span>                :  *       Revision:  none
<span class="lineNum">      11 </span>                :  *       Compiler:  gcc
<span class="lineNum">      12 </span>                :  *
<span class="lineNum">      13 </span>                :  *         Author:  Mitchelle Rasquinha (), mitchelle.rasquinha@gatech.edu
<span class="lineNum">      14 </span>                :  *        Company:  Georgia Institute of Technology
<span class="lineNum">      15 </span>                :  *
<span class="lineNum">      16 </span>                :  * =====================================================================================
<span class="lineNum">      17 </span>                :  */
<span class="lineNum">      18 </span>                : 
<span class="lineNum">      19 </span>                : #ifndef  _ptopswitcharbiter_cc_INC
<span class="lineNum">      20 </span>                : #define  _ptopswitcharbiter_cc_INC
<span class="lineNum">      21 </span>                : 
<span class="lineNum">      22 </span>                : #include        &quot;ptop_swa.h&quot;
<span class="lineNum">      23 </span>                : 
<span class="lineNum">      24 </span><span class="lineCov">            448 : PToPSwitchArbiter::PToPSwitchArbiter()</span>
<span class="lineNum">      25 </span>                : {
<span class="lineNum">      26 </span>                : 
<span class="lineNum">      27 </span><span class="lineCov">             64 : }</span>
<span class="lineNum">      28 </span>                : 
<span class="lineNum">      29 </span><span class="lineCov">             64 : PToPSwitchArbiter::~PToPSwitchArbiter()</span>
<span class="lineNum">      30 </span>                : {
<span class="lineNum">      31 </span>                : 
<span class="lineNum">      32 </span><span class="lineCov">            384 : }</span>
<span class="lineNum">      33 </span>                : 
<span class="lineNum">      34 </span>                : void
<span class="lineNum">      35 </span><span class="lineCov">             64 : PToPSwitchArbiter::resize(uint port)</span>
<span class="lineNum">      36 </span>                : {
<span class="lineNum">      37 </span><span class="lineCov">             64 :     PORTS = port;</span>
<span class="lineNum">      38 </span><span class="lineCov">             64 :     requested.resize(PORTS);</span>
<span class="lineNum">      39 </span><span class="lineCov">             64 :     locked.resize(PORTS);</span>
<span class="lineNum">      40 </span><span class="lineCov">             64 :     done.resize(PORTS);</span>
<span class="lineNum">      41 </span><span class="lineCov">             64 :     last_port_winner.resize(PORTS);</span>
<span class="lineNum">      42 </span><span class="lineCov">             64 :     requesting_inputs.resize(PORTS);</span>
<span class="lineNum">      43 </span><span class="lineCov">             64 :     last_winner.resize(PORTS);</span>
<span class="lineNum">      44 </span><span class="lineCov">             64 :     port_locked.resize(PORTS);</span>
<span class="lineNum">      45 </span>                : 
<span class="lineNum">      46 </span><span class="lineCov">            384 :     for ( uint i=0; i&lt;PORTS; i++)</span>
<span class="lineNum">      47 </span>                :     {
<span class="lineNum">      48 </span><span class="lineCov">            640 :         requested[i].resize(PORTS);</span>
<span class="lineNum">      49 </span><span class="lineCov">            640 :         requesting_inputs[i].resize(PORTS);</span>
<span class="lineNum">      50 </span>                :     }
<span class="lineNum">      51 </span>                : 
<span class="lineNum">      52 </span><span class="lineCov">            384 :     for ( uint i=0; i&lt;PORTS; i++)</span>
<span class="lineNum">      53 </span><span class="lineCov">           1920 :         for ( uint j=0; j&lt;PORTS; j++)</span>
<span class="lineNum">      54 </span>                :         {
<span class="lineNum">      55 </span><span class="lineCov">           3200 :             requested[i][j]=false;</span>
<span class="lineNum">      56 </span>                :         }
<span class="lineNum">      57 </span>                : 
<span class="lineNum">      58 </span><span class="lineCov">            384 :     for ( uint i=0; i&lt;PORTS; i++)</span>
<span class="lineNum">      59 </span>                :         {
<span class="lineNum">      60 </span><span class="lineCov">            320 :             locked[i] = false;</span>
<span class="lineNum">      61 </span><span class="lineCov">            320 :             done[i] = false;</span>
<span class="lineNum">      62 </span><span class="lineCov">            640 :             last_port_winner[i] = 0;</span>
<span class="lineNum">      63 </span>                :         }
<span class="lineNum">      64 </span><span class="lineCov">             64 : }</span>
<span class="lineNum">      65 </span>                : 
<span class="lineNum">      66 </span>                : bool
<span class="lineNum">      67 </span><span class="lineCov">        7145684 : PToPSwitchArbiter::is_requested( uint oport, uint inport )</span>
<span class="lineNum">      68 </span>                : {
<span class="lineNum">      69 </span><span class="lineCov">       21437052 :     return requested[oport][inport];</span>
<span class="lineNum">      70 </span>                : }
<span class="lineNum">      71 </span>                : 
<span class="lineNum">      72 </span>                : void
<span class="lineNum">      73 </span><span class="lineCov">        1975561 : PToPSwitchArbiter::request(uint oport, uint inport )</span>
<span class="lineNum">      74 </span>                : {
<span class="lineNum">      75 </span><span class="lineCov">        3951122 :     requested[oport][inport] = true;</span>
<span class="lineNum">      76 </span><span class="lineCov">        1975561 :     done[oport] = false;</span>
<span class="lineNum">      77 </span><span class="lineCov">        3951122 :     requesting_inputs[oport][inport].port = inport;</span>
<span class="lineNum">      78 </span>                :     return;
<span class="lineNum">      79 </span>                : }
<span class="lineNum">      80 </span>                : 
<span class="lineNum">      81 </span>                : SA_unit
<span class="lineNum">      82 </span><span class="lineCov">        1975560 : PToPSwitchArbiter::pick_winner( uint oport)</span>
<span class="lineNum">      83 </span>                : {
<span class="lineNum">      84 </span><span class="lineCov">        3951120 :     if(!done[oport]) </span>
<span class="lineNum">      85 </span>                :     {
<span class="lineNum">      86 </span><span class="lineCov">        1874909 :         done[oport] = true;</span>
<span class="lineNum">      87 </span><span class="lineCov">        3749818 :         if(locked[oport] ) </span>
<span class="lineNum">      88 </span><span class="lineCov">           8138 :             return last_winner[oport];</span>
<span class="lineNum">      89 </span>                : 
<span class="lineNum">      90 </span>                :         else
<span class="lineNum">      91 </span>                :         {
<span class="lineNum">      92 </span><span class="lineCov">        1870840 :             locked[oport]= true;</span>
<span class="lineNum">      93 </span>                : 
<span class="lineNum">      94 </span>                :                 /* Now look at contesting input ports on this channel and pick
<span class="lineNum">      95 </span>                :                  * a winner*/
<span class="lineNum">      96 </span><span class="lineCov">        1870840 :                 bool winner_found = false;</span>
<span class="lineNum">      97 </span><span class="lineCov">        6751808 :                 for( uint i=last_port_winner[oport]+1; i&lt;(PORTS); i++)</span>
<span class="lineNum">      98 </span><span class="lineCov">        9751170 :                     if(requested[oport][i])</span>
<span class="lineNum">      99 </span>                :                     {
<span class="lineNum">     100 </span><span class="lineCov">         480524 :                         last_port_winner[oport] = i;</span>
<span class="lineNum">     101 </span><span class="lineCov">         240262 :                         winner_found = true;</span>
<span class="lineNum">     102 </span><span class="lineCov">         720786 :                         last_winner[oport].port = requesting_inputs[oport][i].port;</span>
<span class="lineNum">     103 </span><span class="lineCov">         480524 :                         return last_winner[oport];</span>
<span class="lineNum">     104 </span>                :                     }
<span class="lineNum">     105 </span>                : 
<span class="lineNum">     106 </span><span class="lineCov">        1630578 :                 if(!winner_found)</span>
<span class="lineNum">     107 </span><span class="lineCov">        9806168 :                 for( uint i=0; i&lt;=last_port_winner[oport]; i++)</span>
<span class="lineNum">     108 </span>                :                 {
<span class="lineNum">     109 </span><span class="lineCov">       14709252 :                     if(requested[oport][i])</span>
<span class="lineNum">     110 </span>                :                     {
<span class="lineNum">     111 </span><span class="lineCov">        3261156 :                         last_port_winner[oport] = i;</span>
<span class="lineNum">     112 </span><span class="lineCov">        1630578 :                         winner_found = true;</span>
<span class="lineNum">     113 </span><span class="lineCov">        4891734 :                         last_winner[oport].port = requesting_inputs[oport][i].port;</span>
<span class="lineNum">     114 </span><span class="lineCov">        3261156 :                         return last_winner[oport];</span>
<span class="lineNum">     115 </span>                :                     }
<span class="lineNum">     116 </span>                :                 }
<span class="lineNum">     117 </span><span class="lineNoCov">              0 :                 if(!winner_found)</span>
<span class="lineNum">     118 </span>                :                 {
<span class="lineNum">     119 </span>                :                     printf(&quot;ERROR: Cant find port winner&quot; );
<span class="lineNum">     120 </span><span class="lineNoCov">              0 :                     exit(1);</span>
<span class="lineNum">     121 </span>                :                 }
<span class="lineNum">     122 </span>                : 
<span class="lineNum">     123 </span>                :             }
<span class="lineNum">     124 </span>                :     }
<span class="lineNum">     125 </span>                : 
<span class="lineNum">     126 </span><span class="lineCov">         201302 :     return last_winner[oport];</span>
<span class="lineNum">     127 </span>                : }
<span class="lineNum">     128 </span>                : 
<span class="lineNum">     129 </span>                : void
<span class="lineNum">     130 </span><span class="lineCov">        1870836 : PToPSwitchArbiter::clear_winner( uint oport, uint inport)</span>
<span class="lineNum">     131 </span>                : {
<span class="lineNum">     132 </span><span class="lineCov">        1870836 :     done[oport]= false;</span>
<span class="lineNum">     133 </span><span class="lineCov">        1870836 :     locked[oport] = false;</span>
<span class="lineNum">     134 </span>                : 
<span class="lineNum">     135 </span><span class="lineCov">        3741672 :     requested[oport][inport] = false;</span>
<span class="lineNum">     136 </span>                :     return;
<span class="lineNum">     137 </span>                : }
<span class="lineNum">     138 </span>                : 
<span class="lineNum">     139 </span>                : void
<span class="lineNum">     140 </span><span class="lineCov">         104720 : PToPSwitchArbiter::clear_requested( uint oport, uint inport)</span>
<span class="lineNum">     141 </span>                : {
<span class="lineNum">     142 </span><span class="lineCov">         209440 :     requested[oport][inport] = false;</span>
<span class="lineNum">     143 </span>                :     return;
<span class="lineNum">     144 </span>                : }
<span class="lineNum">     145 </span>                : 
<span class="lineNum">     146 </span>                : bool
<span class="lineNum">     147 </span><span class="lineCov">        1975560 : PToPSwitchArbiter::is_empty()</span>
<span class="lineNum">     148 </span>                : {
<span class="lineNum">     149 </span>                : 
<span class="lineNum">     150 </span><span class="lineCov">        5889030 :     for( uint i=0; i&lt;PORTS; i++)</span>
<span class="lineNum">     151 </span><span class="lineCov">       29455260 :         for( uint j=0; j&lt;PORTS; j++)</span>
<span class="lineNum">     152 </span><span class="lineCov">       76625370 :             if(requested[i][j] )</span>
<span class="lineNum">     153 </span><span class="lineCov">        1975560 :                 return false;</span>
<span class="lineNum">     154 </span>                : 
<span class="lineNum">     155 </span><span class="lineNoCov">              0 :     return true;</span>
<span class="lineNum">     156 </span>                :     
<span class="lineNum">     157 </span>                : }
<span class="lineNum">     158 </span>                : 
<span class="lineNum">     159 </span>                : string
<span class="lineNum">     160 </span><span class="lineCov">             64 : PToPSwitchArbiter::toString() const</span>
<span class="lineNum">     161 </span>                : {
<span class="lineNum">     162 </span><span class="lineCov">             64 :     stringstream str;</span>
<span class="lineNum">     163 </span>                :     str &lt;&lt; &quot;PToPSwitchArbiter: matrix size &quot;
<span class="lineNum">     164 </span><span class="lineCov">            128 :         &lt;&lt; &quot;\t requested_qu row_size: &quot; &lt;&lt; requested.size();</span>
<span class="lineNum">     165 </span><span class="lineCov">            128 :     if( requested.size())</span>
<span class="lineNum">     166 </span>                :        str &lt;&lt; &quot; col_size: &quot; &lt;&lt; requested[0].size()
<span class="lineNum">     167 </span><span class="lineCov">            128 :         ;</span>
<span class="lineNum">     168 </span><span class="lineCov">             64 :     return str.str();</span>
<span class="lineNum">     169 </span><span class="lineCov">              2 : }</span>
<span class="lineNum">     170 </span>                : #endif   /* ----- #ifndef _ptopswitcharbiter_cc_INC  ----- */
</pre>
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  <tr><td class="versionInfo">Generated by: <a href="http://ltp.sourceforge.net/coverage/lcov.php" target="_parent">LTP GCOV extension version 1.6</a></td></tr>
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